Thanks for the info guys. So Ralf. In one rotation the pressure change is how much psi? I'm not quite understanding what you mean. I'm trying to work out the force applied to the piston. I'm going to use a two 4 inch diameter pistons. I also had another thought. Has anyone tried putting a bit of wat...

Hi everyone. I'm 51 this year and got my first introduction to stirling engines back in 1980 when I was a school kid. I was more interested in model steam engines back then and my good friend and mentor Les Warnett helped me learn the design and machining process. These days I have a very successful...